C# Error CS1665 – Fixed size buffers must have a length greater than zero

C# Error

CS1665 – Fixed size buffers must have a length greater than zero

Reason for the Error & Solution

Fixed size buffers must have a length greater than zero

This error occurs if a fixed size buffer is declared with a zero or negative size. The length of a fixed size buffer must be a positive integer.

Example

The following sample generates CS1665.

// CS1665.cs  
// compile with: /unsafe /target:library  
struct S  
{
   public unsafe fixed int A[0];   // CS1665  
}